Home / 215,450.56-323,323.42-75,209.18

Finding the Fourth Proportional to 215,450.56, 323,323.42 and 75,209.18

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Solution

The fourth proportional to 215,450.56, 323,323.42 and 75,209.18 is: 112,865.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,450.56 : 323,323.42 = 75,209.18 : x
  2. Step 2: Convert to fraction form
    215,450.56/323,323.42 = 75,209.18/x
  3. Step 3: Cross multiply
    215,450.56x = 323,323.42 × 75,209.18
  4. Step 4: Simplify right side
    215,450.56x = 24,316,889,293.00
  5. Step 5: Solve for x
    x = 24,316,889,293.00/215,450.56
  6. Step 6: Final answer
    x = 112,865.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.